Note: These are deterrents, not perfect protection. The root of trust remains the Ed25519 signature. For floating or subscription keys, Eulen supports an optional online activation:
# Verify signature pub = ed25519.Ed25519PublicKey.from_public_bytes(PUBLIC_KEY) try: pub.verify(signature, payload) except: return False Eulen License Key
return True This document is a conceptual proposal. Actual implementation would require cryptographic auditing and penetration testing. Note: These are deterrents, not perfect protection